One vertex per element, one color per generator, with an edge from x to x·s.
(1,2)(3,6)(4,8)(5,7)(17,18,22,25,23,26,20,30)(19,27,28,21,29,31,32,24)(1,3,5,4)(2,6,7,8)(9,10)(11,14)(12,13)(15,16)(17,19)(18,24)(20,28)(21,26)(22,32)(23,29)(25,31)(27,30)(2,7)(6,8)(10,13)(11,15)(17,20,23,22)(18,25,26,30)(19,28,29,32)(21,27,24,31)(9,11,12,15)(10,14,13,16)(17,21,23,24)(18,19,26,29)(20,27,22,31)(25,28,30,32)(1,4,5,3)(2,8,7,6)(10,13)(14,16)(18,26)(21,24)(25,30)(27,31)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.